First time looking into this. The protocol doesn't seem to mention how the encryption is done (

GitHub

simplex-chat/docs/protocol/simplex-chat.md at stable · simplex-chat/simplex-chat

SimpleX - the first messaging network operating without user identifiers of any kind - 100% private by design! iOS, Android and desktop apps 📱! ...

). Also let's assume all data is encrypted - you will still have visibility into which IP address the connection came from & the timing, right?